This is the introductory chapter to an early 20th-century scholarly anthology of myths and folktales collected from across Oceania, a region the author defines expansively to include Polynesia, Melanesia, Indonesia, Micronesia, and Australia. The book's central project is comparative mythology: mapping the distribution of specific myth-incidents across these five subdivisions to identify resemblances, trace possible historical relationships, and ultimately connect Oceanic peoples back to waves of westward migration from mainland Asia. A notable methodological stance is the author's deliberate refusal to "rationalize" myths as solar or lunar allegories, arguing such interpretations are speculative and impose outside meaning onto material that native peoples themselves understand differently. The author is also candid about the limits of the evidence: much of the available material was collected secondhand, translated out of indigenous languages, or unconsciously shaped by investigators' preconceptions, and some populations have already been lost before their traditions could be recorded. The work frames itself as provisional — a useful inventory of where knowledge currently stands rather than a set of firm conclusions — and explicitly invites future correction as more material becomes available.